#include<stdio.h>
int vowel(char ch);
int main()
{
	char a;
	int count = 0;
	while(scanf("%c",&a)&&a!='\n')
	{
		if(vowel(a)==1){
			count++;
		}
		
	}
	printf("%d\n",count);
	return 0;
}
int vowel(char ch)
{
	if(ch=='A'||ch=='a'||ch=='E'||ch=='e'||ch=='I'||ch=='i'||ch=='O'||ch=='o'||ch=='U'||ch=='u')
	{
		return 1;
	}
	return 0;
}
